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48 lines (39 loc) · 1.35 KB
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Copy pathnumber_search1920.java
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48 lines (39 loc) · 1.35 KB
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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;
public class number_search1920 {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int n = Integer.parseInt(br.readLine());
int[] arr = new int[n];
StringTokenizer st = new StringTokenizer(br.readLine());
for(int i = 0; i < arr.length; i++){
arr[i] = Integer.parseInt(st.nextToken());
}
int m = Integer.parseInt(br.readLine());
int[] arr2 = new int[m];
st = new StringTokenizer(br.readLine());
for(int i = 0; i < arr2.length; i++){
arr2[i] = Integer.parseInt(st.nextToken());
}
Arrays.sort(arr);
for(int i = 0; i < arr2.length; i++){
System.out.println(binarySearch(arr,arr2[i]));
}
System.out.println(5/2);
}
private static int binarySearch(int[] arr, int i) {
int low = 0;
int high = arr.length-1;
int mid = 0;
while(low<=high){
mid=(low+high)/2;
if(arr[mid] == i) return 1;
else if(arr[mid] > i) high=mid-1;
else if(arr[mid] < i) low = mid+1;
}
return 0;
}
}